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Now when I downgraded my 3GS from 06.15.00 to 5.13.04 can I always use stock IPSW to upgrade and restore? Or I still need to create custom IPSW to preserve BB?


asked 21 Jun '12, 10:11

ja1lc0r3's gravatar image


You will still have to use redsn0w or sn0wbreeze to make a custom Ipsw without baseband or else it will upgrade to the newest baseband and you will no longer have a unlockable baseband unless you went back up to 6.15.00 then back down to 5.13.04 kinda a long and annoying process it's best just to preserve your baseband.

If you don't care about unlock you can just upgrade normally through iTunes.

Hope this helps


answered 21 Jun '12, 11:00

EvlGns's gravatar image


edited 21 Jun '12, 11:01

Yes, phone's locked. That's no problem to make custom IPSW. Just wanted to make it clear. Thanks.

(21 Jun '12, 11:18) ja1lc0r3 ja1lc0r3's gravatar image
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Asked: 21 Jun '12, 10:11

Seen: 2,327 times

Last updated: 21 Jun '12, 11:18

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